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persistent organic pollutant

/pɚˈsɪstənt ɔrˈɡænɪk pəˈlutənt/ /pərˈsɪstənt ɔrˈɡænɪk pəˈlutənt/

Meanings
noun

持久性有机污染物

Organic compounds, predominantly synthetic, that are resistant to environmental degradation through chemical, biological and photolytic processes, and that are often associated with health risks.

Examples :

"The pesticide DDT, a persistent organic pollutant, contaminated the soil for decades after it was banned, posing a continued risk to wildlife and potentially human health. "
滴滴涕这种杀虫剂，属于持久性有机污染物，即便在被禁用数十年后，仍然污染着土壤，持续威胁着野生动物，并可能危害人类健康。
environment compound substance science chemistry ecology biology

Related Words

Illustration processes

processes noun

/ˈpɹoʊsɛsiːz/ /ˈpɹəʊ̯sɛsiːz/ /ˈpɹɑsɛsɪz/

过程，流程。

"The bakery uses complex processes to transform flour, sugar, and eggs into delicious cakes. "

这家面包店使用复杂的流程将面粉、糖和鸡蛋变成美味的蛋糕。

Illustration potentially

potentially adverb

/pəˈtɛnʃ(ə)li/

可能地，潜在地。

"The new student is potentially a star athlete; she runs very fast and jumps high. "

这个新学生很有潜力成为明星运动员，她跑得很快，跳得也很高。

Illustration persistent

persistent adjective

/pəˈsɪstənt/ /pɚˈsɪstənt/

坚持不懈， 固执.

"She has had a persistent cough for weeks."

她已经咳嗽好几周了，一直不见好，非常顽固。

Illustration resistant

resistant noun

/rɪˈzɪstənt/ /rəˈzɪstənt/

抵抗者，反抗者

"The student was a strong resistant, leading the group in their peaceful protest against the unfair school rules. "

那个学生是个坚决的抵抗者，带领大家和平抗议不公正的校规。

Illustration predominantly

predominantly adverb

/prɪˈdɒmɪnəntli/ /prɪˈdɑːmɪnəntli/

主要地， 大多， 绝大部分。

"The membership is predominantly elderly, 90% are over age 60."

会员主要是老年人，百分之九十以上都超过六十岁了。

Illustration biological

biological noun

/ˌbaɪə(ʊ)ˈlɒdʒɪkəl/ /ˌbaɪəˈlɑdʒɪkəl/

生物制品，生物制剂。

"The school's science fair featured several different biological specimens. "

学校的科学展览会上展出了好几种不同的生物标本 (shēngwù biāoběn)，也就是生物制品。

Illustration degradation

degradation noun

/ˌdɛɡɹəˈdeɪʃən/

堕落， 贬低， 降低身份。

"The teacher's harsh criticism led to a degradation of the student's self-esteem. "

老师严厉的批评导致了学生自尊心的降低和受挫。

Illustration contaminated

contaminated verb

/kənˈtæməˌneɪtɪd/ /kənˈtæməˌneɪɾɪd/

污染，玷污。

"The spilled chemicals contaminated the drinking water, making it unsafe to drink. "

洒出的化学物质污染了饮用水，使其变得不能安全饮用。

Illustration associated

associated verb

/əˈsəʊsieɪtɪd/ /əˈsoʊsieɪtɪd/

联合，结盟。

"Our company associated with a local charity to help raise money for their programs. "

我们公司与一家当地慈善机构联合起来，帮助他们筹集项目资金。

Illustration synthetic

synthetic noun

/sɪnˈθɛtɪk/

合成物，人造物

"The scientist studied the properties of the synthetic fiber. "

科学家研究了这种合成纤维的特性。

Illustration environmental

environmental adjective

/ɪnˌvaɪrənˈmentəl/ /ˌenvairənˈmentəl/

环境的，生态的

"The school's new policy focuses on environmental sustainability. "

学校的新政策重点关注环境的可持续性发展。

Illustration compounds

compounds noun

/ˈkɑmpaʊndz/ /kəmˈpaʊndz/

营地， 场地。

""During the war, the refugees lived in guarded compounds for their safety." "

战争期间，难民们为了安全起见，居住在有警卫的营地里。